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Chamaenerion angustifolium. ( L.) Scop. Chamaenerion angustifolium is a perennial herbaceous flowering plant in the willowherb family Onagraceae. It is known in North America as fireweed and in the British Isles as rosebay willowherb. [ 1] It is also known by the synonyms Chamerion angustifolium and Epilobium angustifolium.
Salix alba, the white willow, is a species of willow native to Europe and western and central Asia. [ 2 ] [ 3 ] The name derives from the white tone to the undersides of the leaves. It is a medium to large deciduous tree growing up to 10–30 m tall, with a trunk up to 1 m diameter and an irregular, often-leaning crown.
[2] [6] They were first described by the German zoologist Johann August Ephraim Goeze in 1773, who called them Kleiner Wasserbär (' little water bear '). [7] In 1777, the Italian biologist Lazzaro Spallanzani named them Tardigrada ( / t ɑːr ˈ d ɪ ɡ r ə d ə / ), which means "slow steppers".
Nematus oligospilus, commonly known as the willow sawfly, is a species of sawfly in the family Tenthredinidae. Native to central and northern Europe and Asia, it was first recorded in South America in the 1980s and New Zealand in 1997, and has also been introduced to Australia, South Africa and Lesotho. Its larvae feed on the leaves of various ...
Corythucha elegans, the willow lace bug, is a bug species in the family Tingidae found on willows in North America. Rhabdophaga rosaria is a type of gall found on willows. Rust, caused by fungi of genus Melampsora, is known to damage leaves of willows, covering them with orange spots.
Cornus subg. Kraniopsis. Cornus sericea, the red osier or red-osier dogwood, [2] is a species of flowering plant in the family Cornaceae, native to much of North America. It has sometimes been considered a synonym of the Asian species Cornus alba. Other names include red brush, red willow, [3] [4] [5] redstem dogwood, [3] [5] redtwig dogwood ...
A line of willow pollards near Sluis, Zeeland, Netherlands. Pollarding is a pruning system involving the removal of the upper branches of a tree, which promotes the growth of a dense head of foliage and branches. In ancient Rome, Propertius mentioned pollarding during the 1st century BCE. [ 1] The practice has occurred commonly in Europe since ...
Salix scouleriana is a deciduous shrub or small tree, depending on the environment, usually with multiple stems that reach 2 to 7 metres ( to 23 ft) in height in dry, cold, high elevations, and other difficult environments, and 10 to 20 m (33 to 66 ft) or more in favorable sites. The stems are straight and support few branches generally ...